Vy. Topolov, ANISOTROPY OF ELECTROMECHANICAL PROPERTIES IN KNBO3 CRYSTALS WITH S-TYPE DOMAIN BOUNDARIES, Journal of physics. Condensed matter, 7(37), 1995, pp. 7405-7408
In this paper a large anisotropy of piezoelectric moduli of d(ij)(p) K
NbO crystals with S-type boundaries separating 60 degrees (120 degrees
) domain regions in the ferroelectric Bmm2 phase is established for th
e first time. The sensitivity of this effect to changes in initial die
lectric, piezoelectric and elastic constants of the corresponding sing
le-domain crystal is discussed.